private void InscribePolygon(PaintGraphics graphics, PaintRectangleF rectangle, int numSides)
{
float Radius = (float)((double)Math.Min(rectangle.Width, rectangle.Height) / 2.0);
ShapePointF Center = new ShapePointF(
(float)(rectangle.Location.X + rectangle.Width / 2.0),
(float)(rectangle.Location.Y + rectangle.Height / 2.0));
PaintRectangleF rectangleF = new PaintRectangleF(Center, new ShaipSizeF(1, 1));
rectangleF.Inflate(Radius, Radius);
float Sides = (float)numSides;
float ExteriorAngle = (float)360 / Sides;
float InteriorAngle = (Sides - (float)2) / Sides * (float)180;
float SideLength = (float)2 * Radius * (float)Math.Sin(Math.PI / (double)Sides);
for (int i = 1; i <= Sides; i++)
{
graphics.ResetTransform();
graphics.TranslateTransform(Center.X, Center.Y);
graphics.RotateTransform((i - 1) * ExteriorAngle);
graphics.TranslateTransform(0, -Radius);
graphics.RotateTransform(180 - InteriorAngle / 2);
graphics.MySmoothingMode = EPaintSmoothingMode.AntiAlias;
PaintPen pen = new PaintPen(Color, Thickness);
pen.StartCap = EPaintLineCap.Round;
pen.EndCap = EPaintLineCap.Round;
graphics.DrawLine(
pen,
new ShapePointF(0, 0).ToPointF(),
new ShapePointF(0, -SideLength).ToPointF());
}
}
public override void Draw(PaintGraphics graphics)
{
(int x, int y, int width, int height) = CalculateHexagon();
if (width == 0 || height == 0)
{
return;
}
if (Cornes == 0)
{
Cornes = _cornes;
}
width += Thickness;
height += Thickness;
int Radius = (int)((double)Math.Min(width, height) / (double)2.0 * (double)0.8);
ShapePointF Center = new ShapePointF((int)((double)width / (double)2.0), (int)((double)height / (double)2.0));
PaintRectangleF rectangle = new PaintRectangleF(Center, new ShaipSizeF(1, 1));
rectangle.Inflate(Radius, Radius);
PaintImage img = new PaintBitmap(Size.Width, Size.Height);
PaintGraphics tmpGraphics = PaintGraphics.FromImage(img);
InscribePolygon(tmpGraphics, rectangle, _cornes);
graphics.DrawImage(img, x, y);
}
public override void Draw(PaintGraphics graphics)
{
(int x, int y, int width, int height) = CalculateRoundRect();
graphics.MySmoothingMode = EPaintSmoothingMode.AntiAlias;
PaintPen pen = new PaintPen(Color, Thickness);
pen.LineJoin = EPainLinejoin.Round;
PaintRectangleF rect = new PaintRectangleF(x, y, width, height);
PaintGraphicsPath path = this.GetRoundRectangle(rect, radius);
graphics.DrawPath(pen, path);
}
private PaintGraphicsPath GetCapsule(PaintRectangleF baseRect)
{
float diameter;
PaintRectangleF arc;
PaintGraphicsPath path = new PaintGraphicsPath(new GraphicsPath());
try
{
if (baseRect.Width > baseRect.Height)
{
diameter = baseRect.Height;
ShaipSizeF sizeF = new ShaipSizeF(diameter, diameter);
arc = new PaintRectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 90, 180);
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 180);
}
else if (baseRect.Width < baseRect.Height)
{
diameter = baseRect.Width;
ShaipSizeF sizeF = new ShaipSizeF(diameter, diameter);
arc = new PaintRectangleF(baseRect.Location, sizeF);
path.AddArc(arc, 180, 180);
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 180);
}
else
{
path.AddEllipse(baseRect);
}
}
catch (Exception)
{
path.AddEllipse(baseRect);
}
finally
{
path.CloseFigure();
}
return(path);
}
private PaintGraphicsPath GetRoundRectangle(PaintRectangleF baseRect, float radius)
{
if (radius <= 0.0F)
{
PaintGraphicsPath mPath = new PaintGraphicsPath(new GraphicsPath());
mPath.AddRectangle(baseRect);
mPath.CloseFigure();
return(mPath);
}
if (radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2.0)
{
return(GetCapsule(baseRect));
}
float diameter = radius * 2.0F;
ShaipSizeF sizeF = new ShaipSizeF(diameter, diameter);
PaintRectangleF arc = new PaintRectangleF(baseRect.Location, sizeF);
PaintGraphicsPath path = new PaintGraphicsPath(new GraphicsPath());
path.AddArc(arc, 180, 90);
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 90);
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 90);
arc.X = baseRect.Left;
path.AddArc(arc, 90, 90);
path.CloseFigure();
return(path);
}
